4.5.2.2/3 the brain and eye (SINGLE)

Question 1

The largest part of the brain is called the…

Answer 1

Cerebrum

Question 2

The outer part of the cerebrum is called the…

Answer 2

Cerebral Cortex

Question 3

The cerebellum co-ordinates..

Answer 3

..muscle movement

Question 4

The medulla oblongata controls…

Answer 4

..unconscious activities (eg heart rate, breathing rate)

Question 5

The function of the temporal lobe is…

Answer 5

..to provide visual memories and process language

Question 6

Broca (1824-1880) is best known for his work on which part of the brain?

Answer 6

Frontal Lobe

Question 7

Which part of the eye contains the light sensitive receptors?

Answer 7

Retina

Question 8

Name the receptor cells that can detect low levels of light

Answer 8

Rods

Question 9

Name the receptor cells that allow colour vision

Answer 9

Cones

Question 10

Name the receptor cells that allow clear daytime vision

Answer 10

Cones

Question 11

At night, colour vision is less vivid because which receptor is not stimulated?

Answer 11

Cones

Question 12

Name the tough outer skin of the eye

Answer 12

Sclera

Question 13

Name the curved front part of the eye ball that refracts light through the pupil

Answer 13

Cornea

Question 14

What is ‘accommodation’

Answer 14

The lens changing shape to focus on near or far objects

Question 15

Focussing on far objects:

Your ciliary muscles (contract/relax)?

Answer 15

RELAX!

Question 16

Focussing on far objects:

Your lens is (long and thin/short and fat)

Answer 16

Longer and thinner

Question 17

Focussing on near objects:

Your ciliary muscles (contract/relax)?

Answer 17

CONTRACT!

Question 18

Focussing on near objects:

Your lens is (long and thin/short and fat)

Answer 18

Shorter and fatter

Question 19

Long sightedness is otherwise known as..

Answer 19

..HYPEROPIA

Question 20

Short sightedness is otherwise known as,,

Answer 20

..MYOPIA

Question 21

If you are long sighted, what can you not see very well

Answer 21

Objects that are close to you

Question 22

If you are short sighted, what can you not see very well

Answer 22

Objects that are far from you

Question 23

What is the function of the optic nerve

Answer 23

Transmits electrical impulses from the eyes to the brain

Question 24

Name the layer of the eye that provides oxygen and nourishment to the retina cells

Answer 24

Choroid

Question 25

Which part of the eye controls the size of the pupil

Answer 25

Iris

Question 26

Which part of the retina provides the sharpest vision (has the highest number of cones) when light hits it

Answer 26

Fovea

Question 27

This structure is made of muscle so contracts and relaxes to change the shape of the lens

Answer 27

Ciliary Body

Question 28

Correctives spectacles or lens treat long and short sightedness by doing what?

Answer 28

Refracting light before it enters our eyes

Question 29

Name a permanent solution to treating long or short sightedness

Answer 29

Laser surgery (to change the shape of the cornea)